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[FIX] component: concurrency issue

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When a parent and a child were rendered at the same time, it was
possible for the 2 renders to decrement the same fiber internal
counter, which meant that the render was stalled.
This commit is contained in:
Géry Debongnie
2021-11-25 10:47:50 +01:00
committed by Aaron Bohy
parent 3f66d9fe6c
commit e6e6c31632
3 changed files with 94 additions and 6 deletions
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tests/components/__snapshots__/concurrency.test.ts.snap
+24
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@@ -1044,6 +1044,30 @@ exports[`destroying/recreating a subwidget with different props (if start is not
}"
`;
exports[`parent and child rendered at exact same time 1`] = `
"function anonymous(bdom, helpers
) {
let { text, createBlock, list, multi, html, toggler, component } = bdom;
let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber, safeOutput } = helpers;
return function template(ctx, node, key = \\"\\") {
return text(ctx['props'].value);
}
}"
`;
exports[`parent and child rendered at exact same time 2`] = `
"function anonymous(bdom, helpers
) {
let { text, createBlock, list, multi, html, toggler, component } = bdom;
let { withDefault, getTemplate, prepareList, withKey, zero, call, callSlot, capture, isBoundary, shallowEqual, setContextValue, toNumber, safeOutput } = helpers;
return function template(ctx, node, key = \\"\\") {
return component(\`Child\`, {value: ctx['state'].value}, key + \`__1\`, node, ctx);
}
}"
`;
exports[`properly behave when destroyed/unmounted while rendering 1`] = `
"function anonymous(bdom, helpers
) {